Sapphire Square Blank Substrate - Optical, Semiconductor, na Test Wafer
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Nkọwa nke Sapphire Square Blank Substrate
Ihe e ji sapphire mee, dịka egosiri na foto a, bụ ihe dị ọcha nke otu kristal aluminom oxide (Al₂O₃) nke e mere maka iji na injinia anya dị elu, imepụta ngwaọrụ semiconductor, na nnwale akụrụngwa ziri ezi. A maara sapphire maka ihe pụrụ iche ya na kemịkalụ, ọ ghọwo otu n'ime ihe ndị kacha mkpa n'ụlọ ọrụ ndị chọrọ ogologo oge, nkwụsi ike, na arụmọrụ anya. Ejiri usoro uto kristal dị elu, dịka usoro Kyropoulos (KY), Heat Exchange Method (HEM), ma ọ bụ Czochralski (CZ), a na-emepụta oghere square ndị a nke ọma iji mezuo ụkpụrụ kachasị mma.
Isi ihe dị mkpa nke Sapphire Square Blank Substrate
Sapphire bụ kristal dị otu axial, nke nwere usoro lattice hexagonal, nke na-enye njikọta na-enweghị atụ nke ike mekaniki, nkwụsi ike okpomọkụ, na iguzogide kemịkalụ. Site na ọkwa siri ike nke Mohs nke 9, sapphire bụ nke abụọ karịa dayamọnd n'ihe gbasara iguzogide ọkọ, na-eme ka ọ dị ogologo ndụ ọbụlagodi n'ọnọdụ ụlọ ọrụ mmepụta ihe na-emebi emebi. Ebe agbaze ya karịrị 2000°C, na-enye ohere ịrụ ọrụ a pụrụ ịdabere na ya na gburugburu okpomọkụ dị elu, ebe obere mfu dielectric ya na-eme ka ọ bụrụ ihe a na-ahọrọ maka RF na ngwa eletrọniki ugboro ugboro.
N'akụkụ anya, sapphire na-egosipụta oke nnyefe dị iche iche site na ultraviolet miri emi (~200nm) ruo na nke a na-ahụ anya ruo na etiti infrared (~5000nm), yana ezigbo nha anya na obere birefringence mgbe edobere ya nke ọma. Njirimara ndị a na-eme ka oghere sapphire dị oke mkpa na mpaghara anya dị iche iche dịka sistemụ laser, photonics, spectroscopy, na onyonyo.
Mmepụta na Nhazi
Ihe e ji sapphire mee nke ọ bụla nwere oghere dị larịị na-eme usoro mmepụta siri ike, na-amalite site na ntụ alumina dị ọcha nke a na-achịkwa nke ọma, nke a na-achịkwa site na uto kristal na-ekpo ọkụ dị elu. Mgbe e tochara kristal buru ibu, a na-ahazi ya nke ọma (nke a na-akpọkarị C-plane (0001), A-plane (11-20), ma ọ bụ R-plane (1-102)) ka ọ dabara na ihe achọrọ maka ngwa. A na-ebipụ kristal ahụ n'ime oghere dị larịị na mma e ji diamond kpụọ, wee jiri nlezianya kpaa ya iji nweta nha nhata ọkpụrụkpụ. Maka ngwa anya na semiconductor, enwere ike ịcha elu ya ka ọ dị nro nke ọkwa atọm, na-ezute nkọwapụta dị larịị, nha nhata, na oke elu.
Uru Ndị Dị Mkpa
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Ngosipụta Anya Pụrụ Iche Pụtara- Nnyefe eriri sara mbara site na UV ruo IR na-eme ka ọ dị mma maka windo anya, oghere laser, na mkpuchi sensọ.
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Ike Mekaniki Kachasị Elu- Ike nrụgide dị elu, ike mgbawa, na iguzogide ọkọ na-eme ka o doo anya na ọ ga-adịru ogologo oge n'ebe nrụgide dị elu.
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Iguzosi ike na okpomọkụ na kemịkalụ- Na-eguzogide ujo okpomọkụ, okpomọkụ dị elu, na kemịkalụ siri ike, na-ejigide iguzosi ike n'ezi ihe n'oge nhazi semiconductor na ikpughe gburugburu ebe obibi siri ike.
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Njikwa Nha Kpọmkwem– Ndokwa ọkpụrụkpụ a na-enweta n'ime ±5µm na ịdị larịị elu ruo λ/10 (na 632.8nm), dị oke mkpa maka fotolithography na ngwa njikọ wafer.
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Ịdị iche iche– Dabara adaba maka ọtụtụ ngwa dị iche iche gụnyere ihe ndị dị n'ime anya, ihe ndị na-eto eto epitaxial, na wafers ule igwe.
Ngwa
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Ngwa AnyaA na-eji ya dị ka windo, ihe nzacha, ihe njide laser gain medium, mkpuchi nchebe maka sensọ, na ihe ndị na-emepụta fotonik n'ihi na o doo anya na ogologo oge ya.
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Ihe ndị mejupụtara Semiconductor: Na-eje ozi dị ka ntọala dị mkpa maka LED ndị dabeere na GaN, eletrọniki ike (usoro SiC-on-sapphire), ngwaọrụ RF, na sekit microelectronic, ebe ike ikuku na iguzogide kemịkalụ dị oke mkpa.
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Nnwale Ngwa na Wafers DummyA na-ejikarị ya eme ihe dị ka ihe ndị e ji anwale ihe n'ahịrị mmepụta semiconductor, nke a na-eji eme nhazi igwe, ihe nlereanya usoro, na nnwale ntachi obi nke ihe e ji ewepụ ihe, ihe e tinyere n'ime ya, ma ọ bụ ngwa nyocha.
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Nnyocha Sayensị: Dị mkpa na nhazi nnwale nke chọrọ ikpo okwu na-adịghị arụ ọrụ nke ọma, doro anya, na nke kwụsiri ike maka ọmụmụ ihe anya, eletriki, na ihe.
Ajụjụ Ndị A Na-ajụkarị
Q1: Gịnị bụ uru dị n'iji oghere sapphire dị okirikiri n'elu wafer gbara gburugburu?
A: Oghere ndị dị n'akụkụ anọ na-enye ebe kachasị mma maka ịkpụcha ihe, imepụta ngwaọrụ, ma ọ bụ nnwale igwe, na-ebelata ihe mkpofu na ọnụ ahịa ihe.
Q2: Ihe ndị e ji sapphire mee hà nwere ike iguzogide gburugburu nhazi semiconductor?
A: Ee, ihe ndị e ji sapphire mee na-eme ka ọ kwụsie ike n'okpuru oke okpomọkụ, ihe e ji plasma mee, na ọgwụgwọ kemịkalụ a na-ahụkarị n'ọrụ mmepụta semiconductor.
Q3: Nhazi elu ọ dị mkpa maka ngwa m?
A: N'ezie. A na-eji sapphire C-plane eme ihe nke ukwuu maka GaN epitaxy na mmepụta LED, ebe a na-ahọrọ ntụzịaka A-plane na R-plane maka ngwa anya ma ọ bụ piezoelectric kpọmkwem.
Q4: Enwere oghere ndị a nwere mkpuchi pụrụ iche?
A: Ee, enwere ike itinye mkpuchi mgbochi-reflective, dielectric, ma ọ bụ conductive iji mezuo ihe achọrọ maka anya ma ọ bụ eletrọniki.
Gbasara anyị
XKH bụ ọkachamara n'ihe gbasara mmepe teknụzụ dị elu, mmepụta, na ire nke iko anya pụrụ iche na ihe kristal ọhụrụ. Ngwaahịa anyị na-enye ngwa eletrọnịkị anya, ngwa eletrọnịkị ndị ahịa, na ndị agha. Anyị na-enye ihe ndị mejupụtara anya Sapphire, mkpuchi anya ekwentị mkpanaaka, seramiiki, LT, Silicon Carbide SIC, Quartz, na wafers kristal semiconductor. Site na ahụmịhe ọkachamara na ngwa ọgbara ọhụrụ, anyị na-eme nke ọma na nhazi ngwaahịa na-abụghị ọkọlọtọ, na-achọ ịbụ ụlọ ọrụ teknụzụ dị elu nke ihe optoelectronic.










